Q155
If three number are 2a, 5a and 7a, what will be their LCM ?
A.
70a
AnswerB.
65a
C.
75a
D.
73a
Answer: Option A
Solution
Answer: Option A
Solution:
The given three numbers are 2a, 5a and 7aLCM of 2a, 5a and 7a = 2 × 5 × 7 × a = 70a